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#include <stdio.h>
#ifdef DEBUG
#define abort() printf ("error, line %d\n", __LINE__)
#endif
int count;
void a1() { ++count; }
void
b (unsigned char data)
{
if (data & 0x80) a1();
data <<= 1;
if (data & 0x80) a1();
data <<= 1;
if (data & 0x80) a1();
}
main ()
{
count = 0;
b (0);
if (count != 0)
abort ();
count = 0;
b (0x80);
if (count != 1)
abort ();
count = 0;
b (0x40);
if (count != 1)
abort ();
count = 0;
b (0x20);
if (count != 1)
abort ();
count = 0;
b (0xc0);
if (count != 2)
abort ();
count = 0;
b (0xa0);
if (count != 2)
abort ();
count = 0;
b (0x60);
if (count != 2)
abort ();
count = 0;
b (0xe0);
if (count != 3)
abort ();
#ifdef DEBUG
printf ("Done.\n");
#endif
exit (0);
}
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